Some of Michel's utilities :

.
These are public domain, and may be freely used under the terms of the Free Software Foundation licence.

Moware-1.0, The Fortran 90 pre-processor (and, in Michel's humble opinion, pretty-printer), and the three other utilities, in a single directory with a Makefile. All you should need is a make utility and a Fortran 90 compiler, but please report bugs and errors.

f90ppr.f90, The Fortran 90 pre-processor and pretty-printer, as a single file.